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Stylohyoid-tympanic articulation in shrews and its possible implications for echolocation
Silvia Pavan, Biological Sciences Faculty
- AvivaSaadatfarWildlife
- JesykaMeléndez RosaBiological Sciences
Echolocation has evolved in several mammals, including shrews. In bats, echolocation may occur through the larynx via the stylohyoid-tympanic articulation (ST-A). Using CT scans, we studied the morphology of the inner ear to determine if the ST-A is present in echolocating shrews. Of the nine sampled genera, three have behavioral data suggesting echolocation. Six species presented ST-A, including four species not known to echolocate. Given the limited behavioral data and the small data set, a few interpretations are possible, all of which highlight the need for additional research in this understudied mammalian group in order to reveal the role of the ST-A in shrew echolocation.
Subjective versus objective language proficiency: An investigation of age of acquisition and exposure in multilinguals
Mari Sanchez, Psychology Faculty
- AnastinaSteiberPsychology
- SofiaGutierrez JohnsonPsychologyUndergraduate Student
- GiannaGiacomottoPsychologyUndergraduate Student
Multilinguals can differ in their level of proficiency for each language they speak. Factors that can impact one’s language proficiency include age of acquisition (AoA), which refers to the time point when beginning to learn a language and exposure, which refers to the amount of contact a person has with the language. Proficiency is often assessed subjectively, via one’s self-report of one’s perceived proficiency level and less often objectively, via observed and/or measured performance on proficiency tests. This study investigated the relationship between subjective and objective language proficiency as impacted by age of acquisition and exposure.
Success Factors of Wilderness Therapy Programming
- Amanda MasseRecreation AdministrationUndergraduate Student
In recent years, non-traditional therapeutic modalities have become increasingly popular options for the treatment of psychological and behavioral issues in youth at-risk populations. Research shows that this model has great promise of rehabilitative pathways for youth involved in the juvenile justice and psychiatric healthcare systems through the use of experiential education combined with traditional talk therapy modalities to improve self-esteem and self-efficacy. This is especially significant for youth at risk individuals who have previously been unsuccessful in other courses of therapy. This project examines success factors of wilderness therapy programs for youth at risk.
Sudden Death Among Athletes
Aleksander Teplicki, Other Undergraduate Student
OtherI preformed a literature review regarding sudden cardiovascular death among athletes. In my review I found that sudden cardiovascular death is primarily caused by atherosclerotic coronary artery disease and hypertrophic cardiomyopathy. In my presentation I aim to discuss these two conditions, their prevalence, and why they are difficult to diagnose amongst athletes. I also aim to discuss the current athletic screening protocols in the united states, as well as what can be done going foreward to prevent or limit the cases of sudden cardiovascular death in athletes.
Summative Evaluation for Cal Poly Humboldt's 2022 Summer Algebra Institute
Rose Francia, Education Staff
- ChristineCastroStaff
- IreneGonzalez-HerreraStaff
- SamanthaDiel
- MiguelSagreroUndergraduate Student
For the second consecutive summer, Cal Poly Humboldt's CSU Summer Algebra Institute's (SAI) goal was aimed at demystifying Science, Technology, Engineering, Arts, and Mathematics (STEAM) related projects, majors, and careers, to further increase Humboldt, Del Norte, and Mendocino County BIPOC (6th-12th grades) students’ interests in pursuing majors and careers in STEAM, and minimize learning gaps in mathematics. Students who enrolled in the virtual 2022 SAI, a 4-week program, completed a minimum of 57 hour intensive individualized Mathematics course using EdReady, engaged in 19 days of culturally relevant STEAM curriculum, and participated in workshops on College & Career Preparation.
Supporting Military Women and Families Through Policy
- Cassidy GordonChild DevelopmentUndergraduate Student
This presentation highlights my time as a Fall 2021 Panetta Congressional Intern for Cal Poly Humboldt. Also covered, is a policy research paper I completed as an internship requirement discussing ways to support military women and families through policy. In this presentation, I also cover the impacts of gender discrimination in the Military.
Supporting Social Workers: A Manual Promoting Sustainability & Wellness in Social Work
- Katelyn BawcomSocial WorkGraduate Student
- Sarah SmithSocial WorkGraduate Student
- Taylor PrillimanSocial WorkGraduate Student
The community project will consist of a manual that addresses the wellness and sustainability of social workers. Our community partner is Liora Levenbach and the finished project will be applicable to all social workers and supervisors, regardless of placement or role in the community. We are looking at how to decrease burnout and improve retention rates of social workers. We would like to take a strengths based approach by researching the effects of resiliency on social workers and their organizations.
Surface Ocean Distribution of Trace Metals in the California Current System During a Year of Anomalously Low Upwelling
- Robert B. FreibergerChemistry, OceanographyUndergraduate Student
- Dr. Claire TillChemistryFaculty
Upwelling in the California Current System (CCS) brings nutrient rich water to the continental shelf. Included with these nutrients are some trace metals. Trace iron (Fe) has been shown to be a control on primary productivity in the CCS. 2014 marked a year of low upwelling along the CA coast. This anomaly provides an opportunity to assess annual variability in processes affecting micronutrient distributions here. In 2014, the IRNBRU research cruise measured surface macronutrient and trace metal distributions in the CCS. Their results show lower nutrient concentrations than found in previous studies, and suggest an unusual uptake ratio of macronutrients by microorganisms in the area.
Surgical Smoke: The Forgotten Biohazard
Julie Wooldridge, Nursing Undergraduate Student
College of Professional StudiesSurgical smoke, a byproduct of surgical procedures, poses significant health risks to healthcare workers and patients. However, surgical staff often overlook it as a biohazard in operating rooms. This project highlights the harmful toxins of surgical smoke, including exposure to carcinogens and infectious agents, and the need for policy change to mandate local smoke evacuation. Effective policies and guidelines for smoke evacuation modeled from evidence-based research, combined with adequate education, awareness, and training, can minimize the risks of surgical smoke in the operating room and empower nurse leaders to ensure the safety of healthcare workers and patients.
Survey and Map English Ivy Distribution at the Patrick’s Point State Park, California
- John CortenbachDepartment of Environmental Science & ManagementUndergraduate Student
- Buddhika MadurapperumaDepartment of Forestry & Wildland Resources and Department of Environmental Science & ManagementFaculty
Patrick’s Point State Park has experienced a tremendous growth of English Ivy that has causing a damage to park resources. The goal of this study was to accurately map English Ivy habitats, estimate coverage, and survey English Ivy colonization effects on tree trunks. The results showed that the English Ivy growth has decreased from 8.0 acres to 6.5 acres between 2015 and 2016 respectively due to park restoration activity supported by volunteer organizations. The English Ivy growth on tree trunks was significant for Western Hemlock and Sitka Spruce. With this project the park will be able to locate the most English Ivy spots that require attention, and monitor their growth rate.